Doris Tan, D.O.
NPI 1578522462 · Psychiatry Physician · Fresno, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Doris Tan, D.O. is a Psychiatry Physician provider in Fresno, CA (NPI 1578522462).
Provider details
- NPI number
- 1578522462
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- OS11210 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
215 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 176 | $129 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 22 | $58 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 17 | $179 |
Typical Medicare-allowed amounts for these services range $58–$179 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Olanzapine | 114 | 16 |
| Trazodone Hcl | 108 | 16 |
| Paliperidone Palmitatebrand: Invega Sustenna | 95 | 11 |
| Aripiprazole | 89 | 12 |
| Bupropion Hclbrand: Bupropion Xl | 85 | 12 |
| Risperidone | 70 | 12 |
| Divalproex Sodiumbrand: Divalproex Sodium Er | 57 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$767 across 25 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 4441 E Kings Canyon RdFresno, CA 93702-3604Phone: (559) 600-4099Fax: (559) 455-4743
- Family and Youth Alternatives2550 E. Clinton Ave Bldg B 128-138Fresno, CA 03705Phone: (559) 245-1157
Registry dates
- Enumerated
- 2006-03-21
- Last updated
- 2023-06-20
- Certified
- 2023-06-20
Frequently asked questions
- What is Doris Tan's NPI number?
- Doris Tan's National Provider Identifier (NPI) is 1578522462, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Doris Tan's specialty?
- Doris Tan is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Doris Tan located?
- Doris Tan's practice location on file with NPPES is 2550 W Clinton Ave, Fresno, CA 93705-4201.
- What is Doris Tan's phone number?
- The practice phone number listed in the NPPES registry for Doris Tan is (559) 264-7521.
- Does Doris Tan accept Medicare?
- Doris Tan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Doris Tan's NPI active?
- Yes — Doris Tan's NPI (1578522462) is active in the NPPES registry as of the last update on 2023-06-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.